protected virtual void SetTitleBarContentBinding(DataGridContext dataGridContext)
{
if (dataGridContext != null)
{
Xceed.Wpf.DataGrid.Views.ViewBase view = dataGridContext.DataGridControl.GetView();
if ((view is TableView) ||
(view is TableflowView))
{
return;
}
Column headerColumn = dataGridContext.Columns.MainColumn as Column;
if (headerColumn != null)
{
// Disable warning for DisplayMemberBinding when internaly used
#pragma warning disable 618
BindingBase displayMemberBinding = headerColumn.DisplayMemberBinding;
#pragma warning restore 618
if (displayMemberBinding == null)
{
if (dataGridContext.ItemsSourceFieldDescriptors == null)
{
throw new InvalidOperationException("An attempt was made to create a DisplayMemberBinding before the DataGridContext has been initialized.");
}
string name = headerColumn.FieldName;
ItemsSourceHelper.FieldDescriptor fieldDescriptor;
dataGridContext.ItemsSourceFieldDescriptors.TryGetValue(name, out fieldDescriptor);
displayMemberBinding = ItemsSourceHelper.CreateDefaultBinding(
this.DataContext is DataRow, name, fieldDescriptor,
false, true, typeof(object));
}
if (displayMemberBinding == null)
{
Debug.Assert(false, "displayMemberBinding is null.");
this.ClearValue(DataRow.TitleBarContentProperty);
}
else
{
this.SetBinding(DataRow.TitleBarContentProperty, displayMemberBinding);
}
}
}
}
protected virtual void SetTitleBarContentBinding(DataGridContext dataGridContext)
{
if (dataGridContext == null)
{
return;
}
var view = dataGridContext.DataGridControl.GetView();
if ((view is TableView) || (view is TableflowView))
{
return;
}
var headerColumn = dataGridContext.Columns.MainColumn as Column;
if (headerColumn == null)
{
return;
}
var displayMemberBinding = headerColumn.GetDisplayMemberBinding();
if (displayMemberBinding == null)
{
var dataItem = this.DataContext;
var itemType = (dataItem != null) ? dataItem.GetType() : null;
displayMemberBinding = ItemsSourceHelper.CreateDefaultBinding(
ItemsSourceHelper.CreateOrGetPropertyDescriptionFromColumn(dataGridContext, headerColumn, itemType));
}
if (displayMemberBinding == null)
{
Debug.Assert(false, "displayMemberBinding is null.");
this.ClearValue(DataRow.TitleBarContentProperty);
}
else
{
this.SetBinding(DataRow.TitleBarContentProperty, displayMemberBinding);
}
}